| Castel Gandolfo to Iselin (New Jersey) | 4,312.69 mi (6,940.61 km) |
| Castel Gandolfo to Isla Vista (California) | 6,375.37 mi (10,260.17 km) |
| Castel Gandolfo to Issaquah (Washington) | 5,674.30 mi (9,131.91 km) |
| Castel Gandolfo to Ithaca (New York) | 4,337.38 mi (6,980.33 km) |
| Castel Gandolfo to Ives Estates (Florida) | 5,184.02 mi (8,342.88 km) |
| Castel Gandolfo to Jackson (Michigan) | 4,676.21 mi (7,525.63 km) |
| Castel Gandolfo to Jackson (Mississippi) | 5,358.29 mi (8,623.33 km) |
| Castel Gandolfo to Jackson (Missouri) | 5,103.65 mi (8,213.54 km) |
| Castel Gandolfo to Jackson (Tennessee) | 5,146.88 mi (8,283.11 km) |
| Castel Gandolfo to Jackson (Wyoming) | 5,582.93 mi (8,984.86 km) |
| Castel Gandolfo to Jacksonville (Alabama) | 5,095.50 mi (8,200.42 km) |
| Castel Gandolfo to Jacksonville (Arkansas) | 5,321.57 mi (8,564.23 km) |
| Castel Gandolfo to Jacksonville (Florida) | 5,063.24 mi (8,148.50 km) |
| Castel Gandolfo to Jacksonville (Illinois) | 5,021.99 mi (8,082.12 km) |
| Castel Gandolfo to Jacksonville (North Carolina) | 4,680.28 mi (7,532.18 km) |
